23 void GeneratorFunctionBuilder::Prepare(const ir::ScriptFunction *node) const  in Prepare()
25     VReg callee = FunctionReg(node);  in Prepare()
27     pg_->CreateGeneratorObj(node, callee);  in Prepare()
28     pg_->StoreAccumulator(node, funcObj_);  in Prepare()
29     pg_->SuspendGenerator(node, funcObj_);  in Prepare()
30     pg_->SetLabel(node, catchTable_->LabelSet().TryBegin());  in Prepare()
33 void GeneratorFunctionBuilder::CleanUp(const ir::ScriptFunction *node) const  in CleanUp()
37     pg_->SetLabel(node, labelSet.TryEnd());  in CleanUp()
38     pg_->SetLabel(node, labelSet.CatchBegin());  in CleanUp()
39     pg_->GeneratorComplete(node, funcObj_);  in CleanUp()
40     pg_->EmitThrow(node);  in CleanUp()
41     pg_->SetLabel(node, labelSet.CatchEnd());  in CleanUp()
44 void GeneratorFunctionBuilder::DirectReturn(const ir::AstNode *node) const  in DirectReturn()
46     pg_->GeneratorComplete(node, funcObj_);  in DirectReturn()
47     pg_->CreateIterResultObject(node, true);  in DirectReturn()
48     pg_->EmitReturn(node);  in DirectReturn()
51 void GeneratorFunctionBuilder::ImplicitReturn(const ir::AstNode *node) const  in ImplicitReturn()
53     pg_->LoadConst(node, Constant::JS_UNDEFINED);  in ImplicitReturn()
54     DirectReturn(node);  in ImplicitReturn()
57 void GeneratorFunctionBuilder::Yield(const ir::AstNode *node)  in Yield()  argument
63     pg_->CreateIterResultObject(node, false);  in Yield()
64     pg_->GeneratorYield(node, funcObj_);  in Yield()
65     SuspendResumeExecution(node, completionType, completionValue);  in Yield()
67     HandleCompletion(node, completionType, completionValue);  in Yield()